Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series MSRP: Now: $50.00 Add to Cart Compare Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Allen-Bradley | sku: 140UH2C3C40-UA-YAG Allen-Bradley 140U-H2C3-C40 Industrial Circuit Breaker 40A 3P | 480V AC | 25kA MCCB | 140U Series | Thermal Magnetic Trip | UL Listed The Allen-Bradley 140U-H2C3-C40 molded case circuit breaker delivers reliable overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it features a 25kA interrupt rating, providing robust... MSRP: Now: $75.00 Add to Cart Compare Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Cutler Hammer | sku: QBHW3040H-UA-YAG Cutler-Hammer QBHW3040H Circuit Breaker – 40A, 3-Pole, 240V AC, Type QBHW, Bolt-On, High Interrupting 22kA, UL Listed The Cutler-Hammer QBHW3040H is a 3-pole, 40 amp, bolt-on circuit breaker designed for commercial and industrial applications. Part of Eaton's QBHW series, this breaker is rated for 240V AC and features a 22kA interrupt rating, making it ideal for use in... MSRP: Now: $38.00 Add to Cart Compare Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: HED43B040-UA-YAG Siemens HED43B040 Circuit Breaker 40A 3P | 480V AC | 42kA MCCB | HED Series | Thermal Magnetic Trip | Industrial UL Listed The Siemens HED43B040 molded case circuit breaker provides high-capacity overcurrent protection for industrial and commercial electrical systems. Rated at 40 Amps, 3 poles, and 480V AC, it delivers a 42kA interrupt rating, ensuring superior protection... MSRP: Now: $150.00 Add to Cart Compare Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.07312025.11 Square D BGA34040YZ I-Line Circuit Breaker, 3 Pole, 40A, 480Y/277V AC, 35kA, Thermal Magnetic The Square D BGA34040YZ PowerPact B Circuit Breaker is a high-performance, industrial-grade solution ideal for electrical distribution systems. This 3-pole breaker is rated for 40 amps at 480Y/277V AC and offers a high interrupting capacity of 35kA... MSRP: Now: $550.00 Add to Cart Compare Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected × OK
Square D | sku: FA34040-UA1-YAG Square D FA34040 Circuit Breaker | 40A | 3-Pole | 480V AC | 14kA | 3-Phase | I-Line Style | Thermal Magnetic The Square D FA34040 is a reliable 3-pole, 40A I-Line Style circuit breaker designed for industrial and commercial 3-phase electrical systems. Rated at 480V AC with a 14kA interrupting capacity, this thermal magnetic breaker provides dependable... MSRP: Now: $18.00 Add to Cart Compare Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected
Square D | sku: IS.08132025.01 Square D QOB340 Mini Circuit Breaker | 40A | 3 Pole | 120/240V AC | 10kA | Bolt-On | QO Series The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting... MSRP: Now: $50.00 Add to Cart Compare Compare Selected
